A gangster offers Pazzo and Bella the possibility of getting a huge sum of money to kill a man. Pazzo is on a wheelchair, Bella is an alcoholic and gambling addicted. They have never done anything like this in their lives. But Bella is a dangerous woman and wants to change her life no matter the cost. Pazzo doesn't need anything but Bella in his life. He loves her. And that is a problem.

June 27, 1980: a DC–9 flying over the Tyrrhenian Sea breaks up mid-air and crashes near the Italian island of Ustica, killing all 81 people on board. The official version blames the "structural failure" of the plane, but a young journalist smells a cover-up and starts to uncover the truth out of the 'invisible wall' of lies built by politicians and air force higher-ups.